diff --git a/CHANGELOG b/CHANGELOG
index d396fba11..732125b18 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,7 @@
                      Changes in version 5.1.30
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 - conversion from pdf to png replaces alpha channel with white
+- add list of conversion services in debug menu of admin tool
 
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                      Changes in version 5.1.29